My little sister, savannah, is three years old. she has a piggy bank that she wants to fill. she started with five pennies and each day when i come home from school she is excited when i give her three pennies left over from my lunch money. create a mathematical model for the number of pennies in the piggy bank on day n

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?